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Boris Johnson's Deputy Mayor for Policing Stephen Greenhalgh has made his first public appearance in front of the London Assembly, since being warned over claims that he acted "inappropriately" towards a female colleague.

London's Deputy Mayor for Policing Stephen Greenhalgh has issued an apology after he was accused of behaving inappropriately to a female employee in a City Hall lift. Mr Greenhalgh said he was not admitting he was guilty but was apologising for the distress that the incident had caused.

A Greater London Authority monitoring officer has interviewed the employee but decided not to take action against Mr Greenhalgh as there was no conclusive evidence. However, Mayor Boris Johnson said he had spoken to his deputy about inappropriate conduct in City Hall.